FR1064484A - Improvements to ultraviolet radiation lamps - Google Patents

Improvements to ultraviolet radiation lamps

Info

Publication number
FR1064484A
FR1064484A FR1064484DA FR1064484A FR 1064484 A FR1064484 A FR 1064484A FR 1064484D A FR1064484D A FR 1064484DA FR 1064484 A FR1064484 A FR 1064484A
Authority
FR
France
Prior art keywords
ultraviolet radiation
radiation lamps
lamps
ultraviolet
radiation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR1064484A publication Critical patent/FR1064484A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
FR1064484D 1951-10-19 1952-10-17 Improvements to ultraviolet radiation lamps Expired FR1064484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US741556XA 1951-10-19 1951-10-19

Publications (1)

Publication Number Publication Date
FR1064484A true FR1064484A (en) 1954-05-13

Family

ID=22118041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1064484D Expired FR1064484A (en) 1951-10-19 1952-10-17 Improvements to ultraviolet radiation lamps

Country Status (2)

Country Link
FR (1) FR1064484A (en)
GB (1) GB741556A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0628987A2 (en) * 1993-06-07 1994-12-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metal halide discharge lamp and method of making the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027482A (en) * 1956-11-20 1962-03-27 Rca Corp Lime glass article having a surface of reduced resistivity
US4047067A (en) * 1974-06-05 1977-09-06 General Electric Company Sodium halide discharge lamp with an alumina silicate barrier zone in fused silica envelope
US3988628A (en) * 1974-06-13 1976-10-26 General Electric Company Metal halide lamp with titania-silicate barrier zone in fused silica envelope
GB2191888A (en) * 1986-06-05 1987-12-23 Ushio Electric Inc Fused silica envelope for discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0628987A2 (en) * 1993-06-07 1994-12-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metal halide discharge lamp and method of making the same
EP0628987A3 (en) * 1993-06-07 1995-12-13 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metal halide discharge lamp and method of making the same.

Also Published As

Publication number Publication date
GB741556A (en) 1955-12-07

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